Question

In question find how many integers between 1 and 100 are divisible by 8...We have to take Total no. of outcome=98 or 100???

Answer 1

Hey mate..

Here's your answer...

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Total outcomes=100

Outcomes divisible by 8=>

8,16,24,32,40,48,56,64,72,80,88,96

So..there are 12 outcomes which
are divisible by 8 ...


So...probability=12/100

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HOPE IT HELPS

@Rêyaañ11

Answer 2

Given:

An integer is chosen between 1 and 100.

Numbers that are divisible by 8 = 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88 and 96.

The rest are not divisible by 8.

Calculation:

The integers are 2, 3, 4, 5, 6,..., 99.

The number of possible outcomes = 98 (Excluding 1 and 100)

Therefore,  

Sample space, n(S) = 98.  

So,  

The possibility of the number divisible by 8, n(E) = 12.

To find probability,

By formula,

P(E) = n(E)/n(S)  

=12/98  

= 6/49  

Hence, P(integer divisible by 8) = 6/49

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